linux-kernel - Re: BUG: unable to handle kernel paging request in hrtimer

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Message-ID: <0000000000002628bf058c676e46@google.com>
Date:   Fri, 28 Jun 2019 12:39:01 -0700
From:   syzbot <syzbot+037e18398ba8c655a652@...kaller.appspotmail.com>
To:     ast@...nel.org, bpf@...r.kernel.org, daniel@...earbox.net,
        dvyukov@...gle.com, hdanton@...a.com, john.fastabend@...il.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: BUG: unable to handle kernel paging request in hrtimer_interrupt

syzbot has bisected this bug to:

commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
Author: John Fastabend <john.fastabend@...il.com>
Date:   Sat Jun 30 13:17:47 2018 +0000

     bpf: sockhash fix omitted bucket lock in sock_close

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14436833a00000
start commit:   29f785ff Merge branch 'fixes' of git://git.kernel.org/pub/..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16436833a00000
console output: https://syzkaller.appspot.com/x/log.txt?x=12436833a00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e5c77f8090a3b96b
dashboard link: https://syzkaller.appspot.com/bug?extid=037e18398ba8c655a652
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16da8cc9a00000

Reported-by: syzbot+037e18398ba8c655a652@...kaller.appspotmail.com
Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection